<?xml version="1.0" encoding="UTF-8"?><!--*** Generated from internal PANGAEA metadata schema by dif.xslt ***--><DIF xsi:schemaLocation="http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/ http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/dif_v9.4.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/">
<Entry_ID>PANGAEA_996111</Entry_ID>
<Entry_Title>Qualitative vegetatation survey for 15 sites in north-central Oman</Entry_Title>
<Data_Set_Citation>
<Dataset_Creator>Unkelbach, Julia</Dataset_Creator>
<Dataset_Title>Qualitative vegetatation survey for 15 sites in north-central Oman</Dataset_Title>
<Dataset_Release_Date>2026-07-22</Dataset_Release_Date>
<Dataset_Publisher>PANGAEA</Dataset_Publisher>
<Data_Presentation_Form>Dataset</Data_Presentation_Form>
<Online_Resource>https://doi.pangaea.de/10.1594/PANGAEA.996111</Online_Resource>
</Data_Set_Citation>
<Personnel>
<Role>Investigator</Role>
<First_Name>Julia</First_Name>
<Last_Name>Unkelbach</Last_Name>
<Email>julia.unkelbach@biologie.uni-goettingen.de</Email>
</Personnel>
<Discipline>
<Discipline_Name>Earth Science</Discipline_Name>
</Discipline>
<Parameters>
<Detailed_Variable>Event label</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>LATITUDE</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>LONGITUDE</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>ALTITUDE</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Environment</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Disturbance</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Location</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Abutilon pannosum</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Achyranthes aspera</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Acridocarpus orientalis</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Aerva javanica</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Andropogon distachyos</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Argyrolobium roseum</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Aristida adscensionis</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Calotropis procera</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Capsicum annuum</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Carica papaya</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Chenopodium sp.</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Chloris barbata</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Chrozophora oblongifolia</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Citrullus colocynthis</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Citrus x limon</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Cleome pallida</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Convolvulus virgatus</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Cornulaca monacantha</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Crotalaria persica</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Cucumis prophetarum</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Cymbopogon commutatus</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Cynodon sp.</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Diplotaxis harra</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Euphorbia larica</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Euphorbia serpens</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Haloxylon salicornicum</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Heliotropium bacciferum</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Heliotropium brevilimbe</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Hibiscus micranthus</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Indigofera articulata</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Indigofera intricata</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Iphiona aucheri</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Iphiona horrida</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Iphiona scabra</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Ipomoea tricolor</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Juncus sp.</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Launaea procumbens</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Lavandula subnuda</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Leucas inflata</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Lycium shawii</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Maerua crassifolia</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Malvastrum coromandelianum</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Mangifera indica</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Morettia philaeana</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Musa sp., cultivable</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Ochradiscus arabicus</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Ochradiscus aucheri</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Ocimum basilicum</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Panicum turgidum</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Pennisetum setaceum</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Pentatropis nivalis</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Phalaris sp.</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Phoenix dactylifera</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Plocama aucheri</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Pluchea arabica</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Portulaca oleracea</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Prosopis cineraria</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Prosopis juliflora</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Reseda muricata</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Rhazya stricta</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Schweinfurthia papilionacea</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Senna italica</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Setaria pumila</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Solanum lycopersicum</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Sorghum bicolor</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Stipagrostis sp.</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Tamarix sp.</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Taverniera cuneifolia</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Tribulus terrestris</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Vachellia flava</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Vachellia tortilis</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Ziziphus nummularia</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Ziziphus spina-christi</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Zygophyllum indicum</Detailed_Variable>
</Parameters>
<Parameters>
<Detailed_Variable>Zygophyllum qatarense</Detailed_Variable>
</Parameters>
<ISO_Topic_Category>geoscientificInformation</ISO_Topic_Category>
<Keyword>AQ1_Oman</Keyword>
<Keyword>Arabian Peninsula</Keyword>
<Keyword>Arid environment</Keyword>
<Keyword>KS25_Oman</Keyword>
<Keyword>KS3_Oman</Keyword>
<Keyword>KS5_Oman</Keyword>
<Keyword>KS54_Oman</Keyword>
<Keyword>KS77_Oman</Keyword>
<Keyword>KT11_Oman</Keyword>
<Keyword>KT62_Oman</Keyword>
<Keyword>LZ5_Oman</Keyword>
<Keyword>modern vegetation</Keyword>
<Keyword>MQ1_Oman</Keyword>
<Keyword>Plastic bag</Keyword>
<Keyword>pollen rain</Keyword>
<Keyword>Pollen trap</Keyword>
<Keyword>SP8_Oman</Keyword>
<Keyword>U1685</Keyword>
<Keyword>U2801</Keyword>
<Keyword>U2813</Keyword>
<Keyword>U2845</Keyword>
<Keyword>U2905</Keyword>
<Keyword>U2908</Keyword>
<Keyword>U2913</Keyword>
<Keyword>U2919</Keyword>
<Keyword>U2921</Keyword>
<Keyword>U2924</Keyword>
<Keyword>U2925</Keyword>
<Keyword>U2926</Keyword>
<Keyword>U2927</Keyword>
<Keyword>U372</Keyword>
<Keyword>U374</Keyword>
<Keyword>WD2_Oman</Keyword>
<Keyword>WF1_Oman</Keyword>
<Keyword>WF2_Oman</Keyword>
<Keyword>XH1_Oman</Keyword>
<Sensor_Name>
<Long_Name>Vegetation zone after Ghazanfar (2003)</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>Classification, yes/no</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>Classification, yes/no/formerly</Long_Name>
</Sensor_Name>
<Sensor_Name>
<Long_Name>qualitative assessment, plot: 20m-radius, 0=no occurrence, 1=1 occurrence, 2=2-4 occurrences, 3=5 or more occurrences in plot</Long_Name>
</Sensor_Name>
<Temporal_Coverage>
<Start_Date>2023-02-23</Start_Date>
<Stop_Date>2023-03-10</Stop_Date>
</Temporal_Coverage>
<Data_Set_Progress>Complete</Data_Set_Progress>
<Spatial_Coverage>
<Southernmost_Latitude>22.609578</Southernmost_Latitude>
<Northernmost_Latitude>23.140222</Northernmost_Latitude>
<Westernmost_Longitude>57.085861</Westernmost_Longitude>
<Easternmost_Longitude>58.220667</Easternmost_Longitude>
<Minimum_Altitude>382.0 m (ALTITUDE)</Minimum_Altitude>
<Maximum_Altitude>950.0 m (ALTITUDE)</Maximum_Altitude>
</Spatial_Coverage>
<Access_Constraints>unrestricted</Access_Constraints>
<Use_Constraints>CC-BY-4.0: Creative Commons Attribution 4.0 International</Use_Constraints>
<Data_Set_Language>English</Data_Set_Language>
<Data_Center>
<Data_Center_Name>
<Short_Name>PANGAEA</Short_Name>
<Long_Name>Data Publisher for Earth &amp; Environmental Science</Long_Name>
</Data_Center_Name>
<Data_Center_URL>https://www.pangaea.de/</Data_Center_URL>
<Personnel>
<Role>Data Center Contact</Role>
<First_Name>Michael</First_Name>
<Last_Name>Diepenbroek</Last_Name>
<Email>info@pangaea.de</Email>
<Contact_Address>
<Address>Leobener Str.</Address>
<City>Bremen</City>
<Province_or_State>Bremen</Province_or_State>
<Postal_Code>28359</Postal_Code>
<Country>Germany</Country>
</Contact_Address>
</Personnel>
</Data_Center>
<Distribution>
<Distribution_Media>online</Distribution_Media>
<Distribution_Size>1185 data points</Distribution_Size>
<Distribution_Format>text/tab-separated-values</Distribution_Format>
</Distribution>
<Reference>Unkelbach, Julia; Proctor, Lucas; Behling, Hermann (2026): Modern Pollen-Vegetation Relationships in North-Central Oman and Their Implications for Interpreting Fossil Pollen Records from Extremely Arid Environments. Palynology, 2705316, https://doi.org/10.1080/01916122.2026.2705316</Reference>
<Summary>The arid environments of southern Arabia are mosaic landscapes consisting of clusters of different vegetation types that reflect changing climate and human adaption strategies to extreme climatic conditions. The underlying study investigates modern pollen-vegetation relationships in the hyper arid mosaic landscapes of north-central Oman to refine the interpretation of fossil pollen records from similar environments. Fifteen sites were sampled using pollen traps or surface samples across natural mountain, mountain foothill, and anthropogenically influenced systems, including oasis environments. Qualitative vegetation surveys were conducted within a 20 m radius around each sampling site. Most of the studied sites are located within and in the immediate vicinity of the village of Al-Khashbah in north-central Oman. Further sites are located to the north and northeast in the Al-Hajar Mountains and its southern foothills. ** For all details see the full metadata description at "https://doi.pangaea.de/10.1594/PANGAEA.996111"!</Summary>
<Related_URL>
<URL>http://en.wikipedia.org/wiki/Altitude</URL>
<Description>ALTITUDE</Description>
</Related_URL>
<Related_URL>
<URL>http://en.wikipedia.org/wiki/ISO_6709</URL>
<Description>LATITUDE</Description>
</Related_URL>
<Related_URL>
<URL>http://en.wikipedia.org/wiki/ISO_6709</URL>
<Description>LONGITUDE</Description>
</Related_URL>
<Related_URL>
<URL>https://doi.org/10.1080/01916122.2026.2705316</URL>
<Description>Modern Pollen-Vegetation Relationships in North-Central Oman and Their Implications for Interpreting Fossil Pollen Records from Extremely Arid Environments</Description>
</Related_URL>
<Metadata_Name>DIF</Metadata_Name>
<Metadata_Version>9.4</Metadata_Version>
<DIF_Creation_Date>2026-07-22</DIF_Creation_Date>
<Last_DIF_Revision_Date>2026-07-22</Last_DIF_Revision_Date>
</DIF>
